def _getDatasetItemActions(self, item=None, actionsgroup=None):
if actionsgroup is None:
actionsgroup = self._actionsmap['DatasetItem']
# RGB
action = actionsgroup.findChild(QtWidgets.QAction,
'actionOpenRGBImageView')
if gdalsupport.isRGB(item):
# @TODO: remove this to allow multiple views on the same item
for subwin in self._app.mdiarea.subWindowList():
#if subwin.item == item:
# action.setEnabled(False)
# break
# @COMPATIBILITY: pyside 1.2.2
try:
if subwin.item == item:
action.setEnabled(False)
break
except NotImplementedError:
if id(subwin.item) == id(item):
action.setEnabled(False)
break
else:
action.setEnabled(True)
else:
action.setEnabled(False)
return actionsgroup
def _getDatasetItemActions(self, item=None, actionsgroup=None):
if actionsgroup is None:
actionsgroup = self._actionsmap['DatasetItem']
# RGB
action = actionsgroup.findChild(QtWidgets.QAction,
'actionOpenRGBImageView')
if gdalsupport.isRGB(item):
# @TODO: remove this to allow multiple views on the same item
for subwin in self._app.mdiarea.subWindowList():
#if subwin.item == item:
# action.setEnabled(False)
# break
# @COMPATIBILITY: pyside 1.2.2
try:
if subwin.item == item:
action.setEnabled(False)
break
except NotImplementedError:
if id(subwin.item) == id(item):
action.setEnabled(False)
break
else:
action.setEnabled(True)
else:
action.setEnabled(False)
return actionsgroup
def _getDatasetItemActions(self, item=None, actionsgroup=None):
if actionsgroup is None:
actionsgroup = self._actionsmap['DatasetItem']
# RGB
action = actionsgroup.findChild(QtWidgets.QAction,
'actionOpenRGBImageView')
if gdalsupport.isRGB(item):
# @TODO: remove this to allow multiple views on the same item
for subwin in self._app.mdiarea.subWindowList():
if subwin.item == item:
action.setEnabled(False)
break
else:
action.setEnabled(True)
else:
action.setEnabled(False)
return actionsgroup
def openSubDataset(self):
item = self._app.currentItem()
assert isinstance(item, modelitems.SubDatasetItem)
if item.isopen():
if gdalsupport.isRGB(item):
self.openRGBImageView(item)
return
try:
# Only works for CachedDatasetItems
cachedir = os.path.dirname(item.parent().vrtfilename)
except AttributeError:
id_ = gdalsupport.uniqueDatasetID(item.parent())
cachedir = os.path.join(modelitems.SubDatasetItem.CACHEDIR, id_)
# sub-dataset index (starting from 1)
index = item.row() - item.parent().RasterCount + 1
cachedir = os.path.join(cachedir, 'subdataset%02d' % index)
item.open(cachedir)
def openSubDataset(self):
item = self._app.currentItem()
assert isinstance(item, modelitems.SubDatasetItem)
if item.isopen():
if gdalsupport.isRGB(item):
self.openRGBImageView(item)
return
try:
# Only works for CachedDatasetItems
cachedir = os.path.dirname(item.parent().vrtfilename)
except AttributeError:
id_ = gdalsupport.uniqueDatasetID(item.parent())
cachedir = os.path.join(modelitems.SubDatasetItem.CACHEDIR, id_)
# sub-dataset index (starting from 1)
index = item.row() - item.parent().RasterCount + 1
cachedir = os.path.join(cachedir, 'subdataset%02d' % index)
item.open(cachedir)
def graphicsItemFactory(gdalobj, parent=None):
'''Factory function for GDAL graphics items.
Instantiates on object of the GDAL graphics item class taht best
fits the *gdalobj* passed as argument.
'''
if gdalsupport.isRGB(gdalobj):
_log.debug('new GdalRgbGraphicsItem')
return GdalRgbGraphicsItem(gdalobj, parent)
elif gdalobj.DataType in (gdal.GDT_Byte, gdal.GDT_UInt16):
_log.debug('new GdalUIntGraphicsItem')
return UIntGdalGraphicsItem(gdalobj, parent)
elif gdal.DataTypeIsComplex(gdalobj.DataType):
_log.debug('new GdalComplexGraphicsItem')
return GdalComplexGraphicsItem(gdalobj, parent)
else:
_log.debug('new GdalGraphicsItem')
return GdalGraphicsItem(gdalobj, parent)
def graphicsItemFactory(gdalobj, parent=None):
'''Factory function for GDAL graphics items.
Instantiates on object of the GDAL graphics item class taht best
fits the *gdalobj* passed as argument.
'''
if gdalsupport.isRGB(gdalobj):
_log.debug('new GdalRgbGraphicsItem')
return GdalRgbGraphicsItem(gdalobj, parent)
elif gdalobj.DataType in (gdal.GDT_Byte, gdal.GDT_UInt16):
_log.debug('new GdalUIntGraphicsItem')
return UIntGdalGraphicsItem(gdalobj, parent)
elif gdal.DataTypeIsComplex(gdalobj.DataType):
_log.debug('new GdalComplexGraphicsItem')
return GdalComplexGraphicsItem(gdalobj, parent)
else:
_log.debug('new GdalGraphicsItem')
return GdalGraphicsItem(gdalobj, parent)
def __init__(self, dataset, parent=None, **kwargs):
if not gdalsupport.isRGB(dataset):
raise TypeError('RGB or RGBA iamge expected')
super(GdalRgbGraphicsItem, self).__init__(dataset, parent, **kwargs)
self.stretch = None
def __init__(self, dataset, parent=None, **kwargs):
if not gdalsupport.isRGB(dataset):
raise TypeError('RGB or RGBA iamge expected')
super(GdalRgbGraphicsItem, self).__init__(dataset, parent, **kwargs)
self.stretch = None